Finding the Fourth Proportional to 22,975,258.26, 31,706,981.18 and 12,919,922.45
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Solution
The fourth proportional to 22,975,258.26, 31,706,981.18 and 12,919,922.45 is: 17,830,125.49
Step by Step Solution
- Step 1: Write the proportion equation
22,975,258.26 : 31,706,981.18 = 12,919,922.45 : x - Step 2: Convert to fraction form
22,975,258.26/31,706,981.18 = 12,919,922.45/x - Step 3: Cross multiply
22,975,258.26x = 31,706,981.18 × 12,919,922.45 - Step 4: Simplify right side
22,975,258.26x = 409,651,737,913,425.88 - Step 5: Solve for x
x = 409,651,737,913,425.88/22,975,258.26 - Step 6: Final answer
x = 17,830,125.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.